A highly selective fluorescence turn-on sensor for Hg2+ based on quinolimide in aqueous media and its applications

Qu, Wenjing; Zhang, Yu; Cao, Hongjie; Jia, Lihua

doi:10.1016/j.saa.2023.123376

Spectrochimica Acta Part A: Molecular and Biomolecular Spectros

2024

DOI: 10.1016/j.saa.2023.123376

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A highly selective fluorescence turn-on sensor for Hg2+ based on quinolimide in aqueous media and its applications

Wenjing Qu,

Yu Zhang,

Hongjie Cao

et al.

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Cited by 6 publications

References 58 publications

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Naphthalimide‐based fluorescent probe for Hg²⁺ detection and imaging in living cells and zebrafish

Wang,

Chen,

et al. 2024

Luminescence

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A simple naphthalimide‐based fluorescent probe was designed and synthesized for the determination of mercury ion (Hg2+). The probe showed a noticeable fluorescence quenching response for Hg2+. When added with Hg2+, the fluorescence intensity of the probe at 560 nm was remarkably decreased with the color changed from yellow to colorless under ultraviolet (UV) light. The probe had a notable selectivity and sensitivity for Hg2+ and displayed an excellent sensing performance when detecting Hg2+ at low concentration (19.5 nM). The binding phenomenon between the probe and Hg2+ was identified by Job's method and high‐resolution mass spectrometry (HRMS). Moreover, the probe was not only utilized to identify Hg2+ in real samples with satisfactory results (92.00%–110.00%) but also was successfully used for bioimaging in cells and zebrafish. The recognition mechanism has been verified by transmission electron microscopy (TEM) for the first time. All the results showed that the probe could be used as a potent useful tool for detection of Hg2+.

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Naphthalimide‐based fluorescent probe for Hg²⁺ detection and imaging in living cells and zebrafish

Wang,

Chen,

et al. 2024

Luminescence

View full text Add to dashboard Cite

show abstract

A highly sensitive quinolimide-functionalized fluorescent sensor for Zn2+ with multifaceted applications

Cao,

Zhang,

et al. 2024

Journal of Photochemistry and Photobiology A: Chemistry

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Bioinspired Hg2+-sensing fluorogenic probe based on amino acid–functionalized rhodamine

Huang,

Weng,

Tseng

et al. 2024

Journal of Photochemistry and Photobiology A: Chemistry

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A highly selective fluorescence turn-on sensor for Hg2+ based on quinolimide in aqueous media and its applications

Cited by 6 publications

References 58 publications

Naphthalimide‐based fluorescent probe for Hg²⁺ detection and imaging in living cells and zebrafish

Naphthalimide‐based fluorescent probe for Hg²⁺ detection and imaging in living cells and zebrafish

A highly sensitive quinolimide-functionalized fluorescent sensor for Zn2+ with multifaceted applications

Bioinspired Hg2+-sensing fluorogenic probe based on amino acid–functionalized rhodamine

Contact Info

Product

Resources

About

A highly selective fluorescence turn-on sensor for Hg2+ based on quinolimide in aqueous media and its applications

Cited by 6 publications

References 58 publications

Naphthalimide‐based fluorescent probe for Hg2+ detection and imaging in living cells and zebrafish

Naphthalimide‐based fluorescent probe for Hg2+ detection and imaging in living cells and zebrafish

A highly sensitive quinolimide-functionalized fluorescent sensor for Zn2+ with multifaceted applications

Bioinspired Hg2+-sensing fluorogenic probe based on amino acid–functionalized rhodamine

Contact Info

Product

Resources

About

Naphthalimide‐based fluorescent probe for Hg²⁺ detection and imaging in living cells and zebrafish

Naphthalimide‐based fluorescent probe for Hg²⁺ detection and imaging in living cells and zebrafish